Mac OS X and Linux only: CrossOver, a commercially-modified version of the free WINE platform that lets Linux and Mac users run Windows apps semi-natively, is giving away free licenses for all their products today. That's pretty great news for anyone who's tried to run Microsoft Office, higher-end games, or any other Windows app through WINE and found out through later Google-ing that a CrossOver product was required. The license is good for one free app, normally $40 or so, and while CrossOver products can't run every Windows product, they might help those trying to make the Linux (or Mac) switch. The deal is good for today only, and CodeWeavers' site appears slammed this morning, so keep checking back—unless you think another one of the CodeWeavers CEO's Lame Duck goals will be hit, like it did with gas prices in Minneapolis-St. Paul recently. Update: CodeWeavers has a temporary license/download page posted while their servers are down.